Evolution of mechanical properties during the alcogel-aerogel-glass process

T. Woignier, J. Phalippou, H. Hdach, G. Larnac, F. Pernot, George Scherer

Research output: Contribution to journalArticlepeer-review

54 Scopus citations


The mechanical properties of silica alcogels and aerogels were measured by the three-point bending technique. Elastic moduli and the fracture strength were investigated as a function of concentration of silicon compound, catalysis conditions, and aging time. The evolution of modulus and strength was followed during gel to glass transformation. Toughness and fracture energy results of aerogels are presented.

Original languageEnglish (US)
Pages (from-to)672-680
Number of pages9
JournalJournal of Non-Crystalline Solids
Issue numberC
StatePublished - Jan 1 1992

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Materials Chemistry


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